Finding the Fourth Proportional to 1,009,404.30, 1,392,626.18 and 647,027.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,404.30 : 1,392,626.18 = 647,027.97 : x
2. Step 2: Convert to fraction form
   1,009,404.30/1,392,626.18 = 647,027.97/x
3. Step 3: Cross multiply
   1,009,404.30x = 1,392,626.18 × 647,027.97
4. Step 4: Simplify right side
   1,009,404.30x = 901,068,091,831.83
5. Step 5: Solve for x
   x = 901,068,091,831.83/1,009,404.30
6. Step 6: Final answer
   x = 892,673.13